Base | Representation |
---|---|
bin | 111100100000101… |
… | …1100100000000101 |
3 | 12020111121010101121 |
4 | 1321001130200011 |
5 | 13124242001041 |
6 | 533250553541 |
7 | 101213205505 |
oct | 17101344005 |
9 | 5214533347 |
10 | 2030422021 |
11 | 952136131 |
12 | 487b988b1 |
13 | 264869464 |
14 | 153937a05 |
15 | bd3c17d1 |
hex | 7905c805 |
2030422021 has 4 divisors (see below), whose sum is σ = 2030549344. Its totient is φ = 2030294700.
The previous prime is 2030422019. The next prime is 2030422039. The reversal of 2030422021 is 1202240302.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2030422021 - 21 = 2030422019 is a prime.
It is a super-2 number, since 2×20304220212 = 8245227166723448882, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2030421986 and 2030422004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2030422001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35625 + ... + 73006.
It is an arithmetic number, because the mean of its divisors is an integer number (507637336).
Almost surely, 22030422021 is an apocalyptic number.
It is an amenable number.
2030422021 is a deficient number, since it is larger than the sum of its proper divisors (127323).
2030422021 is a wasteful number, since it uses less digits than its factorization.
2030422021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127322.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 2030422021 is about 45060.2044047738. The cubic root of 2030422021 is about 1266.2771545257.
Adding to 2030422021 its reverse (1202240302), we get a palindrome (3232662323).
The spelling of 2030422021 in words is "two billion, thirty million, four hundred twenty-two thousand, twenty-one".
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